93-Np-225
 basic

 element
93-neptunium-225

  • Atomic Mass: 225.0338997 +- 0.0000772 amu
  • Excess Mass: 31577.352 +- 71.900 keV
  • Binding Energy: 1711711.413 +- 71.901 keV
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
  • Spin: (9/2-)
  • Half life: >2 us
  • Mode of decay: Alpha to Pa-221
    • Decay energy: 8.790 MeV
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)